Project Description

Fully welded trunnion mounted ball valve(spherical type)-reducing series

Structural characteristics：

  • Valve stem blow-out proof structure
  • Fully welded structure, no potential bonnet connection leakage hazard

  • The use of raw materials that meet national standards can ensure the nominal pressure of the design

  • The valve seat sealing structure adopts a combination of spring load and enhanced PTFE to ensure tight sealing and long service life

  • The stem is sealed with double O-rings, which can be replaced online

  • The valve ball and stem are made of stainless steel to ensure corrosion resistance and increase service life

Get In Touch NOW


Product Description

Standard specification：

Design standard：GB/T 37827、GB/T 12224、API 6D

Standard pressure：PN25

Face to face distance：GB/T 37827

Inspect and test：GB/T 13927、ISO5208、API598

PN25
Nominal  menstruation Appearance size
DN NPS L L1 D1 D1 D3
EN GB
200 8″ 520 250 219.1 219 273 300
250 10″ 635 290 273 273 356 400
300 12″ 689 330 323.9 325 457 500
350 14″ 762 330 355.6 377 508 500
400 16″ 838 390 406.4 426 559 560
450 18″ 915 390 457.2 478 559 560
500 20″ 991 460 508 530 660 630
600 24″ 1143 480 610 630 812 700
700 28″ 1380 600 711 720 956 700
800 32″ 1524 630 813 820 1100 800
900 36″ 1727 670 914 920 1232 900
1000 40″ 1900 670 1016 1020 1416 900
1200 48″ 2100 890 1219 1220 1566 1000
1400 56″ 2430 1000 1422 1420 1864 1000